ABC.L Regulatory News (ABC)

For immediate release

11 October 2021

Name of applicant:

Abcam plc

Name of scheme:

1. Abcam 2015 Share Option Scheme

2. Abcam Share Incentive Plan

3. Abcam Company Share Option Plan

4. Abcam Long Term Incentive Plan

5. Annual Bonus Plan

Period of return:

From:

10 July 2021

To:

11 October 2021

Balance of unallotted securities under scheme(s) from previous return:

1. 939,554

2. 67,775

3. 329,090

4. 751,792

5. -

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

1. -

2.

3. -

4. -

5. -

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

1. 60,630

2. -

3. 4,767

4. -

5. -

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

1. 878,924

2. 67,775

3. 324,323

4. 751,792

5. 0

Name of contact:

Marc Perkins, Company Secretary

Telephone number of contact:

+ 44 (0) 1223 696 000